PENGARUH RASIO ENERGI PROTEIN RANSUM BERBASIS LIMBAH PERKEBUNAN KELAPA SAWIT TERHADAP KECERNAAN BAHAN KERING, BAHAN ORGANIK DAN SERAT KASAR SECARA IN VITRO (The Influence of Energy Protein Ratio on Complete Feed Palm Oil Plantations Wasted Based to In Vi - Andini, Widya (Animal Agriculture Journal, 2015)